Finding the Third Proportional to 12,161.25 and 18,492.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,161.25 : 18,492.75 = 18,492.75 : x
2. Step 2: Convert to fraction form
   12,161.25/18,492.75 = 18,492.75/x
3. Step 3: Cross multiply
   12,161.25x = 18,492.75 × 18,492.75
4. Step 4: Simplify right side
   12,161.25x = 341,981,802.56
5. Step 5: Solve for x
   x = 341,981,802.56/12,161.25
6. Step 6: Final answer
   x = 28,120.61